efficient energy use efficient energy efficient enforcement efficient engineering efficient engines efficient enterprise efficient environment efficient equipment efficient europe efficient evaluation efficient even efficient exchange of information efficient exchange efficient execution efficient exploitation efficient extraction efficient facilities efficient farming efficient fashion efficient fat burner efficient fat burning efficient fat heater efficient features efficient fight efficient filling efficient filtration efficient financial management efficient financial sector efficient financial system efficient financing efficient fleet efficient flow of information efficient flow efficient follow-up efficient form efficient framework efficient frontier efficient fuel efficient functioning efficient funding efficient governance efficient government efficient growth efficient handling efficient healthcare efficient health efficient heat transfer efficient heating efficient help efficient illumination efficient implementation efficient in the world efficient industry efficient information efficient infrastructure efficient installation efficient institutional framework efficient institutions efficient instrument efficient insulation efficient integrated efficient integration efficient interaction efficient interface efficient internal control efficient internal market efficient intervention efficient investigation efficient investment efficient job efficient judicial system efficient judiciary efficient justice efficient layout efficient leadership efficient learning efficient led efficient legal system efficient level efficient lighting efficient links efficient loading efficient logistics efficient machinery efficient machine efficient maintenance efficient management of migration flows efficient management of natural resources efficient management of resources efficient management efficient manner efficient manufacturing efficient marketing efficient markets efficient market efficient materials efficient material efficient means efficient measures efficient mechanisms efficient mechanism efficient meetings efficient metabolic process efficient metabolism efficient methodology efficient methods efficient method efficient mixing efficient mobility efficient monitoring efficient movement efficient network efficient one efficient operating efficient operations efficient operation efficient operator efficient option efficient order efficient organisation efficient organization efficient outcomes efficient oversight efficient packaging efficient partnership efficient payment efficient performance efficient planning efficient plant efficient platform efficient police efficient policy efficient power efficient preparation efficient prevention efficient price efficient pricing efficient printing efficient procedures efficient proceedings efficient processes efficient processing efficient processor efficient process efficient procurement efficient producers efficient production efficient programme efficient programming efficient program efficient project efficient promotion efficient protection efficient provision efficient public administration efficient public sector efficient public services efficient public transport system efficient public transport efficient rate efficient recovery efficient recycling efficient registration efficient regulation efficient remedy efficient removal efficient repair efficient reporting efficient research efficient resolution efficient resource efficient response efficient results efficient role efficient route efficient rules efficient running efficient sales efficient search efficient security efficient selection efficient separation efficient services efficient service efficient settlement efficient sharing efficient shipping efficient single market efficient software efficient solutions efficient solution efficient source efficient spending efficient staff efficient standards efficient state efficient storage efficient strategy efficient structure efficient supervision